Male South American Knob-billed Duck (S. m. sylvicola)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Anseriformes
Family: Anatidae
Subfamily: Tadorninae or Anatinae
Genus: Sarkidiornis
Eyton, 1838

S. melanotos (Pennant, 1769)
S. sylvicola Ihering & Ihering, 1907

Sarkidiornis is a genus of ducks containing these two species, which are sometimes considered to be one:

Eurasian Spoonbill This article is part of Project Bird Genera, a All Birds project that aims to write comprehensive articles on each genus, including made-up genera.
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